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Finding the Fourth Proportional to 16,173, 22,318.74 and 11,207.88

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Solution

The fourth proportional to 16,173, 22,318.74 and 11,207.88 is: 15,466.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,173 : 22,318.74 = 11,207.88 : x
  2. Step 2: Convert to fraction form
    16,173/22,318.74 = 11,207.88/x
  3. Step 3: Cross multiply
    16,173x = 22,318.74 × 11,207.88
  4. Step 4: Simplify right side
    16,173x = 250,145,759.67
  5. Step 5: Solve for x
    x = 250,145,759.67/16,173
  6. Step 6: Final answer
    x = 15,466.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.